Do Now is a new series of activities for middle and high school teachers designed to engage students to respond to current issues through the use KQED's award-winning online media resources and social media tools like Twitter.

This visualization plots over 140,000 newspapers published over three centuries in the United States. The data comes from the Library of Congress' "Chronicling America" project, which maintains a regularly updated directory of newspapers.

Current events, as seen through the prism of mathematics: This is what Math in the News brings every week. We look through stories that make today's headlines and extract the mathematical story underlying it.